Bloomingdale, IL Weather & Growing Conditions
This Afternoon
63°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 63, with temperatures falling to around 56 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Slight Chance Rain Showers | 15 mph SW | 10% |
| Tonight | 47°F | Slight Chance Rain Showers then Slight Chance Rain | 15 mph SW | 15% |
| Thursday | 54°F | Rain Likely | 10 to 15 mph WSW | 57% |
| Thursday Night | 39°F | Chance Rain then Mostly Cloudy | 10 mph NNW | 50% |
| Friday | 49°F | Partly Sunny | 10 to 15 mph NNW | 3% |
| Friday Night | 34°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 50°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 0% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bloomingdale, IL
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
Explore more for Bloomingdale, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Streamwood, Il (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.